Milan: San Siro.

“The Stadio Giuseppe Meazza, commonly known as the San Siro, is a football stadium located in the San Siro district in Milan. It is the home of both AC Milan and FC Internazionale Milano. On 3 March 1980, the stadium was named in honour of Giuseppe Meazza, the two-time World Cup winner (1934, 1938) who played for Internazionale, and briefly for Milan, in the 1920s, 1930s and 1940s.”